40 减法 30 等于多少?
40 - 30 = 10
40减法30 等于 10
竖式演算
验算
- 用加法验算:10 + 30 = 40
相关题目
40 - 29 = 11
40 - 31 = 9
40 - 28 = 12
40 - 32 = 8
40 - 33 = 7
40 - 27 = 13
40 - 34 = 6
40 - 26 = 14
39 - 30 = 9
41 - 30 = 11
42 - 30 = 12
38 - 30 = 8
43 - 30 = 13
37 - 30 = 7
44 - 30 = 14
36 - 30 = 6
11 - 1 = 10
12 - 2 = 10
13 - 3 = 10
14 - 4 = 10
15 - 5 = 10
16 - 6 = 10
87 - 76 = 11
73 - 71 = 2
75 - 35 = 40
99 - 49 = 50
84 - 40 = 44
57 - 37 = 20
7 + 3 = 10
4 + 6 = 10